code: def __repr__(self):
      return str(self.__class__)
  
imports: from statsmodels.compat.python import lrange
  from io import StringIO
  from os import environ, makedirs
  from os.path import abspath, dirname, exists, expanduser, join
  import shutil
  from urllib.error import HTTPError, URLError
  from urllib.parse import urljoin
  from urllib.request import urlopen
  import numpy
  from pandas import Index, read_csv, read_stata
label_desc: Use image node_id 2 for calling the Dataset obj's underlying member method code with example usage: obj.__repr__() and returns: str